He was arrested in 2011 for alleged domestic violence incident where he was accused of choking of wife. He was then released from custody mainly because the Indian government could not be bothered to seek his extradition despite being wanted for murder charges in Jammu and Kashmir.

The head of the Kashmir Commission of Jurists, Jalil Andrabi was killed at the height of protests in Kashmir against Indian rule in the disputed region. Andrabi disappeared in March 1996 in Srinagar, the summer capital of Jammu & Kashmir. His body was recovered 19 days later in the Jhelum River. He had been shot in the head, and his eyes were gouged out.

A police investigation blamed Maj. Singh and his men for that killing and also accused Maj. Singh of involvement in the killings of six other Kashmiri men.